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40107157 = 193176659
BaseRepresentation
bin1001100011111…
…1110010010101
32210110122200021
42120333302111
540231412112
63551345141
7664622326
oct230776225
983418607
1040107157
1120704112
12115221b1
13840355c
14548044d
1537c3907
hex263fc95

40107157 has 8 divisors (see below), whose sum is σ = 42357600. Its totient is φ = 37870704.

The previous prime is 40107139. The next prime is 40107169. The reversal of 40107157 is 75170104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40107157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40107127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (5294700).

Almost surely, 240107157 is an apocalyptic number.

It is an amenable number.

40107157 is a deficient number, since it is larger than the sum of its proper divisors (2250443).

40107157 is a wasteful number, since it uses less digits than its factorization.

40107157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 40107157 is about 6333.0211589730. The cubic root of 40107157 is about 342.3003101862.

The spelling of 40107157 in words is "forty million, one hundred seven thousand, one hundred fifty-seven".

Divisors: 1 19 317 6023 6659 126521 2110903 40107157